Litter box



FIG. 1 is a front, top perspective view of a litter box showing our new design in a first configuration;

FIG. 2 is a front elevation view of the new design in the first configuration;

FIG. 3 is a rear elevation view of the new design in the first configuration;

FIG. 4 is a left side view of the new design in the first configuration;

FIG. 5 is a right side view of the new design in the first configuration;

FIG. 6 is a top plan view of the new design in the first configuration;

FIG. 7 is a bottom view of the new design in the first configuration;

FIG. 8 is a front, top perspective view of the new design in a second configuration; and,

FIG. 9 is a bottom, rear perspective view of the new design in the second configuration. 

CLAIM The ornamental design for a litter box, as shown and described. 